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sineoko [7]
3 years ago
15

If system of linear equations has no solution,then

Mathematics
1 answer:
Paraphin [41]3 years ago
7 0

Answer:A system of linear equations has no solution when the graphs are parallel. Infinite solutions. A system of linear equations has infinite solutions when the graphs are the exact same line.

Step-by-step explanation:

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Solve the system of linear equations.
icang [17]

Answer: The set does not have a solution

Step-by-step explanation:

Adding Equations 1 & 3 we get 5x = 7. This gives x = 7/5

Putting this value of x in eq. 2 we get

-2y + 2z = -1-(7/5) or

2y - 2z = 12/5  or  5y - 5z = 6

Multiplying eq. 1 by 2  we get  

4x + 2y - 2z = 6

adding this with eq. 2 we get 5x = 5 or x = 1

As the common solution for x from equations 1&3 does not satisfy eq. 1&2 it comes out that the three equations do not have a common solution.

Same can be verified by using different sets of two equations also.

7 0
4 years ago
Find the balance at the end of 4 years if $10000 is deposited at a rate of 1.5% simple interest
Karo-lina-s [1.5K]

Answer:

$9400

Step-by-step explanation:

1.5x4=6%

100-6=94

0.94x10000=9400

8 0
3 years ago
Which is the product of 5/18 and 6?
hoa [83]
The answer to this question is B
4 0
3 years ago
Determine if the graph is symmetric about the x-axis, the y-axis, or the origin.
Doss [256]
By graphing the given equation

<span>r = 4 - 3 sin θ

We find that </span><span>the graph is symmetric about the y-axis
The graph of the given equation is attached below
------------------------------------------------------------------------------
Some information about the given equation:
the given equation is like the form of the </span>Cardioid

A curve that is somewhat heart shaped. A cardioid can be drawn by tracing the path of a point on a circle as the circle rolls around a fixed circle of the same radius. The equation is usually written in polar coordinates.
Equations of Cardioid:  

r = a ± a cos θ (horizontal) or  <span>r = a ± a sin θ (vertical)</span>




7 0
3 years ago
Read 2 more answers
Y=-3x+27 6y-x+9=0 substitution
gayaneshka [121]

Answer:

x=9, y=0. (9, 0).

Step-by-step explanation:

y=-3x+27

6y-x+9=0

-----------------

6(-3x+27)-x+9=0

-18x+162-x+9=0

-19x+171=0

-19x=0-171

-19x=-171

19x=171

x=171/19

x=9

y=-3(9)+27=-27+27=0

4 0
3 years ago
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